JUDITH GAP - The winds that spin the blade tips at 217 mph at Invenergy's 90-turbine wind park also deliver lightning, which can shatter a windmill's 122-foot arms like a truck ramming a fence post.

A truck was pulling a wind turbine blade when the object struck a guardrail, blocking traffic along I-70 in Maryland.

One person is reported injured after a wind turbine blade broke loose from a truck and crashed into traffic on Interstate 70 ...